申请人:Banyu Pharmaceutical Co., Ltd.
公开号:US05707987A1
公开(公告)日:1998-01-13
A compound of the formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 is a hydrogen atom or a negative charge, R.sup.3 is a hydrogen atom or a lower alkyl group, Ar is a phenyl group, a naphthyl group or a group of: ##STR2## (wherein each of A.sub.4 and A.sub.5 is a single bond, --NHSO.sub.2 -- or the like, and Het is a pyrrolinyl group, a 1,4-diazabicyclo\x9b2.2.2!octanyl group or the like which may be substituted with a hydroxyl group, a carbamoyl lower alkyl group or the like) which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfonyl group or the like; a hydroxyl group; a di-lower alkylsulfamoyl group or the like, each of A.sub.1, A.sub.2 and A.sub.3 is a single bond or a lower alkylene group which may be substituted with a lower alkyl group, a lower alkylsulfamoyl group or the like which may be substituted with a hydroxyl group, a di-lower alkylsulfamoyl group or the like; a pyridyl group or a pyridino group; and W is a sulfur atom, a single bond; or a pharmaceutically acceptable salt or ester; a process for its production and an antibacterial agent containing it as an active ingredient.
一种化合物的公式:##STR1##其中R.sup.1是氢原子或较低的烷基,R.sup.2是氢原子或负电荷,R.sup.3是氢原子或较低的烷基,Ar是苯基、萘基或下列基团之一:##STR2##(其中A.sub.4和A.sub.5的每一个是单键、--NHSO.sub.2--或类似物,Het是吡咯烷基、1,4-二氮杂双环\x9b2.2.2!辛烷基或类似物,可以用氢氧基烷基或类似物取代),可以用较低的烷基、较低的烷基磺酰胺基或类似物取代,可以用氢氧基、二次烷基磺酰胺基或类似物取代,A.sub.1、A.sub.2和A.sub.3的每一个是单键或较低的烷基烯基,可以用较低的烷基、较低的烷基磺酰胺基或类似物取代,可以用氢氧基、二次烷基磺酰胺基或类似物取代,是吡啶基或吡啶诺基;W是硫原子、单键;或者是药物可接受的盐或酯;其制备方法和包含其作为活性成分的抗菌剂。